Umfang:
xvii, 173 Seiten
,
Illustrationen, Diagramme, Karten
Inhalt:
By regulating the concentration of carbon in our atmosphere, the global carbon cycle drives changes in our planet’s climate and habitability. Earth surface processes play a central, yet insufficiently constrained role in regulating fluxes of carbon between terrestrial reservoirs and the atmosphere. River systems drive global biogeochemical cycles by redistributing significant masses of carbon across the landscape. During fluvial transit, the balance between carbon oxidation and preservation determines whether this mass redistribution is a net atmospheric CO2 source or sink. Existing models for fluvial carbon transport fail to integrate the effects of sediment routing processes, resulting in large uncertainties in fluvial carbon fluxes to the oceans. In this Ph.D. dissertation, I address this knowledge gap through three studies that focus on the timescale and routing pathways of fluvial mass transfer and show their effect on the composition and fluxes of organic carbon exported by rivers. The hypotheses posed in these three studies ...
Anmerkung:
kumulative Dissertation
,
Dissertation Universität Potsdam 2021
Weitere Ausg.:
Erscheint auch als Online-Ausgabe Repasch, Marisa Fluvial sediment routing and the carbon cycle Potsdam, 2020
Sprache:
Englisch
Schlagwort(e):
Hochschulschrift
Mehr zum Autor:
Sachse, Dirk 1974-